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docker: Add configurable UID and GID (#5041)

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Allows for configuring the UID and GID Syncthing runs as in the container. Uses su-exec from the Alpine repos to accomplish this. Addition of su-exec results in <2MB increase in image size.
This commit is contained in:
Andrew Rabert
2018-07-04 02:42:29 -04:00
committed by Jakob Borg
parent 0b73a66516
commit 5bb72dfe5d
2 changed files with 8 additions and 8 deletions
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Dockerfile
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@@ -18,15 +18,15 @@ RUN apk add --no-cache ca-certificates
COPY --from=builder /go/src/github.com/syncthing/syncthing/syncthing /bin/syncthing
RUN echo 'syncthing:x:1000:1000::/var/syncthing:/sbin/nologin' >> /etc/passwd \
&& echo 'syncthing:!::0:::::' >> /etc/shadow \
&& chown syncthing /var/syncthing
RUN apk update \
&& apk add su-exec
USER syncthing
ENV STNOUPGRADE=1
ENV PUID=1000
ENV PGID=1000
HEALTHCHECK --interval=1m --timeout=10s \
CMD nc -z localhost 8384 || exit 1
ENTRYPOINT ["/bin/syncthing", "-home", "/var/syncthing/config", "-gui-address", "0.0.0.0:8384"]
ENTRYPOINT chown $PUID:$PGID /var/syncthing \
&& su-exec $PUID:$PGID /bin/syncthing -home /var/syncthing/config -gui-address 0.0.0.0:8384